package demo2;

public class Microphone implements IUSB{
    @Override
    public void openDevice() {
        System.out.println(" 使用麦克风 ");
    }

    @Override
    public void closeDevice() {
        System.out.println(" 关闭麦克风 ");
    }

    // 调节麦克风音量
    public void adjustVolume(){
        System.out.println(" 调节麦克风音量 ");
    }
}
